As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.
"When once winter has ahold,
Not willingly does she withdraw
Her icy touch, wistfully caressing—
The deepened air sleeps its cold."
—Aline Corralurn, "Late Thaw"
Near Mint - £8.10
Lightly Played - £6.90
Moderately Played - £5.70
Heavily Played - £4.10
Damaged - £2.50
Near Mint Non English - £8.10
Lightly Played Non English - £6.90
Moderately Played Non English - £5.70
Heavily Played Non English - £4.10
Damaged Non English - £2.50